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Products > Full Revalve Kits Cryo

These Cryo treated full revalve kits use specially chosen and Cryo Treated valves to help you attain the best sound from your amplifier. The valves have been specially chosen for their sound characteristic. They are specially position matched as to their function in your amplifier.They are selected for gain, triode balance, low noise and microphonics.These kits are backed by over 16 years of experience in selecting pre amp valves for professional musicians who trust their sound to Watford valves. The Cryo Treated valves give improvements in clarity,tonal definition and richer smoother distortion. These kits are the ultimate upgrade regardless of brand name.

• NameBrandCommentStockPrice PhotoOrder
• Marshall Vintage Series 1962 Blues Breaker 30 watt STR Harma 5881 Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsThe Harma ECC83 STR & 5881 Cryo Full upgrade kit is our best-selling kit as it provides classic rock tone with more ...In stock£202.00Buy Now
• Marshall JCM 900 Series 2500 SLX 50 watt Classic 5881 Cryo full upgrade kitMarshall Amp Cryo Full Revalve Kits5881 Kit
  
  The Marshall JCM 900 Series 2500 SLX Classic 5881 Cryo full revalve kit is specially selected for ...Sold Out£204.00Buy Now
• Marshall Handwired Series 1962 Bluesbreaker STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£256.00
  £204.80Buy Now
• Marshall Astoria Custom Head STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£256.00
  £204.80Buy Now
• Marshall Astoria Custom Combo STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£256.00
  £204.80Buy Now
• Marshall Astoria Dual Head STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£256.00
  £204.80Buy Now
• Marshall Astoria Dual Combo STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£256.00
  £204.80Buy Now
• Mesa Mark 2 100 Reverb 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Nomad 100 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 1 100 Re Issue 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 2B 100 Reverb 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 2C 100 Reverb 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 3 100 Reverb 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 4A 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 4B 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 7 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Mesa Mark 2C Plus JP 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£230.00
  £207.00Buy Now
• Blackstar Series One 100 STR Marshall EL34B Cryo Full Upgrade KitBlackstar Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Bugera 333 Combo STR Marshall EL34B Cryo Full Upgrade KitBugera Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Bugera 333XL Infinium STR Marshall EL34B Cryo Full Upgrade KitBugera Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Cornford RK100 STR Marshall EL34B Cryo Full Upgrade KitCornford Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Engl Artist Edition E651 100 STR Marshall EL34B Cryo Full Upgrade KitEngl Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Engl Invader 100 E642 STR Marshall EL34B Cryo Full Upgrade KitEngl Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Engl Retro Tube E765 100 STR Marshall EL34B Cryo Full Upgrade KitEngl Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now
• Engl Steve Morse Sig E656 STR Marshall EL34B Cryo Full Upgrade KitEngl Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£244.00
  £207.40Buy Now

Specials

• 
  EL34/EL34B STR-TAD SPECIAL OFFER
  Special Offer 15% Discount
  
  The TAD EL34B STR has been around for many years now and this valve has a number of ...
  £22.00  £18.70
• 
  EL84-SOVTEK
  Special Offer 20% Discount Limited Stock
  
  The Sovtek EL84 has been the industry standard go to EL84 for over 25 ...
  £24.00  £19.20
• 
  GZ34/5AR4-SOVTEK
  Special Offer 15% Discount
  
  The Sovtek GZ34 5AR4 a very well made modern full wave rectifier. The valve uses ...
  £32.00  £27.20
• 
  211-PSVANE CLASSIC SERIES
  Special Offer 15% Discount<>br>
  Psvane 211 Classic Series is a directly heated audio power triode for High end Audio ...
  £115.00  £97.75
• EF86-HARMA RETRO£26.00  £23.40
• Bugera 6262 Infinium£254.00  £228.60
• Way Huge WM22 Smalls£132.50  £119.25